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Finding the Fourth Proportional to 55,793.76, 76,995.04 and 33,437.76

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Solution

The fourth proportional to 55,793.76, 76,995.04 and 33,437.76 is: 46,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,793.76 : 76,995.04 = 33,437.76 : x
  2. Step 2: Convert to fraction form
    55,793.76/76,995.04 = 33,437.76/x
  3. Step 3: Cross multiply
    55,793.76x = 76,995.04 × 33,437.76
  4. Step 4: Simplify right side
    55,793.76x = 2,574,541,668.71
  5. Step 5: Solve for x
    x = 2,574,541,668.71/55,793.76
  6. Step 6: Final answer
    x = 46,143.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.